Transactions with Affiliates (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Related Party Transaction [Line Items]
Total Revenues — Affiliate	$ 66,924	$ 54,117	$ 131,187	$ 104,431
General and Administrative Expense — Affiliate	1,894	1,713	3,705	3,425
General and Administrative Expense — Third Party	3,086	1,739	11,717	2,769
Total General and Administrative Expense	4,980	3,452	15,422	6,194
Noble Energy | Noble Energy
Related Party Transaction [Line Items]
Total Revenues — Affiliate	66,924	54,117	131,187	104,431
Noble Energy | Noble Energy | Crude Oil, Natural Gas and Produced Water Gathering
Related Party Transaction [Line Items]
Total Revenues — Affiliate	46,871	32,328	89,895	60,737
Noble Energy | Noble Energy | Fresh Water Delivery
Related Party Transaction [Line Items]
Total Revenues — Affiliate	19,074	20,348	39,358	40,667
Noble Energy | Noble Energy | Crude Oil Treating
Related Party Transaction [Line Items]
Total Revenues — Affiliate	979	1,169	1,934	2,436
Noble Energy | Noble Energy | Other
Related Party Transaction [Line Items]
Total Revenues — Affiliate	$ 0	$ 272	$ 0	$ 591